Starting git repo for working on files

2024-07-13 12:44:25 +02:00
commit d45a2994e8
20 changed files with 185 additions and 0 deletions
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+public class RandomWalkers
+{
+    public static void main(String[] args)
+    {
+        int r = Integer.parseInt(args[0]);
+        int trials = Integer.parseInt(args[1]);
+        
+        int xCoordinate = 0;
+        int yCoordinate = 0;
+        int steps = 0;
+        double average = 0;
+
+        //System.out.println("(" + xCoordinate + ", " + yCoordinate + ")" );
+
+        for(int i = 1; i <= trials; i++)
+        {
+            while(Math.abs(xCoordinate) + Math.abs(yCoordinate) < r)
+            {
+                if(Math.random() <= 0.25)       xCoordinate += 1;
+                else if (Math.random() <= 0.50) xCoordinate -= 1;
+                else if (Math.random() <= 0.75) yCoordinate += 1;
+                else                            yCoordinate -= 1;
+
+                //System.out.println("(" + xCoordinate + ", " + yCoordinate + ")" );
+                steps++; 
+            }
+        }
+        average = (float) steps / trials; 
+        System.out.println("average number of steps = " + average);
+    }
+}